Guidecraft Colored Geo Forms - Early STEM Skills Geometric Puzzle for Toddlers, Kids Educational Toys Shapes Sorter Educational Focus: Develops geometric shape-recognition, color-matching and size progression Extend play with block design and manipulation separate from the base Material: Rubberwood stained with low VOC aniline dyes to prevent chipping Set of 20 Colorful, graduated wooden blocks and storage tray for ages 2+ Sort shapes by color and height